English verb conjugation
MAY COMMEMORATE

Regular verb: commemorate - commemorated - commemorated

Affirmation

Simple form	V-ing form
I may commemorate you may commemorate he may commemorate we may commemorate you may commemorate they may commemorate	I may be commemorating you may be commemorating he may be commemorating we may be commemorating you may be commemorating they may be commemorating
Perfect	V-ing perfect
I may have commemorated you may have commemorated he may have commemorated we may have commemorated you may have commemorated they may have commemorated	I may have been commemorating you may have been commemorating he may have been commemorating we may have been commemorating you may have been commemorating they may have been commemorating

Negation

Simple form	V-ing form
I mayn't commemorate you mayn't commemorate he mayn't commemorate we mayn't commemorate you mayn't commemorate they mayn't commemorate	I mayn't be commemorating you mayn't be commemorating he mayn't be commemorating we mayn't be commemorating you mayn't be commemorating they mayn't be commemorating
Perfect	V-ing perfect
I mayn't have commemorated you mayn't have commemorated he mayn't have commemorated we mayn't have commemorated you mayn't have commemorated they mayn't have commemorated	I mayn't have been commemorating you mayn't have been commemorating he mayn't have been commemorating we mayn't have been commemorating you mayn't have been commemorating they mayn't have been commemorating

Interrogative form

Simple form	V-ing form
may I commemorate? may you commemorate? may he commemorate? may we commemorate? may you commemorate? may they commemorate?	may I be commemorating? may you be commemorating? may he be commemorating? may we be commemorating? may you be commemorating? may they be commemorating?
Perfect	V-ing perfect
may I have commemorated? may you have commemorated? may he have commemorated? may we have commemorated? may you have commemorated? may they have commemorated?	may I have been commemorating? may you have been commemorating? may he have been commemorating? may we have been commemorating? may you have been commemorating? may they have been commemorating?

Interro-negative form

Simple form	V-ing form
mayn't I commemorate? mayn't you commemorate? mayn't he commemorate? mayn't we commemorate? mayn't you commemorate? mayn't they commemorate?	mayn't I be commemorating? mayn't you be commemorating? mayn't he be commemorating? mayn't we be commemorating? mayn't you be commemorating? mayn't they be commemorating?
Perfect	V-ing perfect
mayn't I have commemorated? mayn't you have commemorated? mayn't he have commemorated? mayn't we have commemorated? mayn't you have commemorated? mayn't they have commemorated?	mayn't I have been commemorating? mayn't you have been commemorating? mayn't he have been commemorating? mayn't we have been commemorating? mayn't you have been commemorating? mayn't they have been commemorating?